Segment:
High-performance sport ATV
Target Audience:
Enthusiasts, racers, and DIY mechanics seeking detailed repair information
Key Competitors:
Yamaha Warrior 350, Honda TRX250R (previous generation), Kawasaki Tecate-4
Performance Focus:
Engineered for aggressive off-road riding and competitive use
Handling Capabilities:
Renowned for its agile handling and stable chassis
Power Delivery:
Strong mid-range and top-end power from its 2-stroke engine
Engine:
249cc, 2-stroke, liquid-cooled, reed valve, single-cylinder
Carburetion:
Mikuni VM32SS
Transmission:
6-speed manual
Cooling System:
Liquid cooling, radiator, fan
Fuel System:
Pre-mix (100:1 or 50:1 ratio depending on application)
Suspension Front:
Independent double A-arm with adjustable shock absorbers (Showa or similar)
Suspension Rear:
Swingarm with single adjustable shock absorber (Pro-Link system)
Brakes Front:
Dual hydraulic disc brakes
Brakes Rear:
Single hydraulic disc brake
Electrical System:
12V DC system, lighting, battery charging
Engine Rebuild:
Complete disassembly, inspection, and reassembly
Carburetor Tuning:
Adjustment, cleaning, and rebuilding
Suspension Setup:
Preload, compression, and rebound adjustments
Brake Bleeding:
Hydraulic system maintenance
Electrical Troubleshooting:
Fault finding for ignition, lighting, and charging circuits
Chain Adjustment:
Proper tensioning and lubrication
Wheel Bearing Service:
Replacement and lubrication
Cooling System Maintenance:
Flushing, coolant replacement, thermostat service
Spark Plug Replacement:
Selection and gapping
Air Filter Cleaning:
Service and replacement
Depth:
Comprehensive: From basic maintenance and fluid changes to complete engine and transmission overhauls, including detailed diagnostics and troubleshooting for all major systems.
Engine Type:
2-stroke, liquid-cooled, single-cylinder
Displacement:
249 cc (15.2 cu. in.)
Bore X Stroke:
72.0 mm x 61.0 mm (2.83 in. x 2.40 in.)
Valvetrain:
Reed valve induction
Horsepower Est:
Approximately 30-35 HP (varies by specific model year and tuning)
Torque Est:
Approximately 20-24 lb-ft (varies)
Carburetor Model:
Mikuni VM32SS
Fuel Type:
Unleaded gasoline with 2-stroke oil pre-mix
Recommended Oil Mix:
50:1 or 100:1 (refer to manual for specific recommendations and conditions)
Length:
Approx. 1970 mm (77.6 in.)
Width:
Approx. 1170 mm (46.1 in.)
Height:
Approx. 1120 mm (44.1 in.)
Wheelbase:
Approx. 1270 mm (50.0 in.)
Ground Clearance:
Approx. 250 mm (9.8 in.)
Dry Weight:
Approx. 183 kg (403 lbs.)
Fuel Capacity:
Approx. 13.0 L (3.4 US gal)
Safety Standard:
ATV safety standards of the era
Braking System:
Powerful hydraulic disc brakes front and rear
Suspension:
Long-travel, adjustable suspension for stability and control
Chassis Design:
Tuned for rider control and stability
Tire Design:
Aggressive tread pattern for off-road traction
Oil Change Engine:
Refer to manual for specific break-in and regular service intervals
Air Filter Cleaning:
After every few rides, depending on conditions
Chain Lubrication:
Regularly, especially after riding in wet conditions
Spark Plug Inspection:
Periodically, check for fouling and proper gap
Brake Fluid Flush:
Annually or as needed based on condition
Coolant Flush:
Every 1-2 years
Engine Oil:
2-stroke oil mixed with gasoline (refer to manual for specific type and ratio)
Coolant:
Ethylene glycol based antifreeze (50/50 mix with distilled water recommended)
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Transmission Fluid:
SAE 10W-30 API SE or SF (refer to manual for specific type and capacity)
Grease:
Lithium-based multi-purpose grease
Common Problems:
Carburetor jetting sensitivity, clutch wear, occasional electrical connector issues, worn suspension bushings.
Preventative Measures:
Regular cleaning of carburetor and air filter, proper oil mixing, consistent lubrication of moving parts, and periodic inspection of electrical connections.
Heritage Focus:
Suzuki's reputation for lightweight, powerful 2-stroke engines in performance vehicles
Generation Development:
The second generation LT250R (RG series) saw significant updates over its predecessor, refining performance and handling.
Key Upgrades:
Liquid cooling, improved suspension, revised styling, and enhanced power delivery.
Production Period:
1985-1992 (with major redesigns in 1987 and 1988)
Manufacturing Location:
Japan
